RightTriangle
 Usage
 \[RightTriangle]
Notes
• Infix ordering operator. • x  y is by default interpreted as RightTriangle[x, y]. • Used in pure mathematics to mean "contains as a normal subgroup". • See Section 1.10.8 and Section 3.10.4. • See also: \[RightTriangleEqual] , \[RightTriangleBar] , \[RightArrow] , \[NotRightTriangle] , \[LeftTriangle] , \[EmptyUpTriangle] , \[FilledUpTriangle] , \[RightAngle] .
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